CN113670243A - Three-coordinate measuring machine special for detecting parts of revolving body and modeling errors - Google Patents
- ️Fri Nov 19 2021
Info
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Publication number
- CN113670243A CN113670243A CN202111058554.3A CN202111058554A CN113670243A CN 113670243 A CN113670243 A CN 113670243A CN 202111058554 A CN202111058554 A CN 202111058554A CN 113670243 A CN113670243 A CN 113670243A Authority
- CN
- China Prior art keywords
- measuring machine
- revolving body
- measuring
- motion
- marble platform Prior art date
- 2021-09-10 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/047—Accessories, e.g. for positioning, for tool-setting, for measuring probes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
本发明涉及三坐标测量机及技术领域，公开了一种专用于回转体零件检测与误差建模的三坐标测量机，包括大理石平台，所述大理石平台下方连接有支撑腿，所述支撑腿放置在平整地面上，所述大理石平台中央放置着转台，所述大理石平台侧面安装有X轴移动机构，所述大理石平台上方是桥式移动机构。该三坐标测量机针对回转体零件测量特点，额外添置了转台，通过将零件置于转台上进行旋转，减少了测量过程中三坐标测量机测头的运动时间，提高了测量回转体类型零件的效率，进一步减少了工厂的生产时间。该三坐标测量机实现在线检测，测量数据是后续的工件误差建模的输入数据。
The invention relates to a three-coordinate measuring machine and the technical field, and discloses a three-coordinate measuring machine specially used for the detection and error modeling of rotating body parts, comprising a marble platform, and a supporting leg is connected under the marble platform, and the supporting leg is placed On a flat ground, a turntable is placed in the center of the marble platform, an X-axis moving mechanism is installed on the side of the marble platform, and a bridge-type moving mechanism is above the marble platform. According to the measurement characteristics of rotating body parts, the CMM is additionally equipped with a turntable. By placing the parts on the turntable for rotation, the movement time of the CMM probe during the measurement process is reduced, and the measurement of rotating body type parts is improved. efficiency, further reducing the production time of the factory. The CMM realizes online detection, and the measurement data is the input data for subsequent workpiece error modeling.
Description
Technical Field
The invention relates to the field of three-coordinate measurement, in particular to a three-coordinate measuring machine special for detecting and error modeling of a revolving body part.
Background
Three-coordinate measuring equipment is a common equipment in industrial measurement, and can be used for measuring geometric shape, length, roundness graduation and the like. The three-coordinate measuring machine can replace various surface measuring tools to carry out high-precision measurement on a measuring target, and the measuring functions comprise size precision, positioning precision, geometric precision, contour precision and the like. But the existing three-coordinate measurement focuses on the expansion of the application range, and the function capable of being used for measuring workpieces with more shapes tends to be developed. For revolving body parts, such as an aircraft engine casing, the traditional three-coordinate measurement consumes long time and has low measurement efficiency, and the fast rhythm of industrial production cannot be met.
Therefore, the development of a three-coordinate measuring machine suitable for detecting and error modeling of a revolving body part is a problem which needs to be solved urgently by those skilled in the art at present. The rotary table has the advantages of high precision and small shaft jump and radial jump, so that the rotary table is selected as a rotary shaft of a workpiece to be measured.
Disclosure of Invention
In order to solve the technical problems, the invention provides a three-coordinate measuring machine special for detecting and error modeling of a revolving body part, which adopts the mechanical structure of the traditional three-coordinate measuring machine, embeds a rotary table into a marble platform, and quickly acquires the characteristic data of the surface of the revolving body part in a four-axis linkage mode.
The invention is realized by the following technical scheme
The three-coordinate measuring machine comprises supporting legs, a marble platform, a rotary table, a clamp, a stand column, an X-axis motion mechanism, a Y-axis motion mechanism, a Z-axis motion mechanism and a contact sensor, wherein the contact sensor comprises measuring pins in the horizontal direction and the vertical direction, and the three-coordinate measuring machine is further connected with a computer through a cable.
The invention discloses a method for measuring the cylindrical surface of a revolving body part of a three-coordinate measuring machine special for revolving body part detection and error modeling, which comprises the following steps:
(1) and (3) mounting the revolving body workpiece on a clamp, and performing self-centering on the revolving body workpiece through the clamp.
(2) The length of the measuring needle is adjusted to avoid collision.
(3) And moving the X-axis motion mechanism and the Y-axis motion mechanism to enable the sensor to be positioned above the rotating center of the rotary table.
(4) And moving the Z-axis movement mechanism to enable the sensor to descend to the cylindrical surface to be detected.
(5) The X-axis movement mechanism (or the Y-axis movement mechanism) advances until the touch sensor is triggered, and then returns to the rotation center of the turntable.
(6) Rotation of the turntable
(7) Repeating (5) and (6) until the current circumference measurement is finished
(8) Z-axis descent
(9) Repeating the steps (5), (6), (7) and (8) until the current cylindrical surface is measured
The above steps are the steps of measuring the cylindrical surface, and the following is the measuring method of the ring plane of the revolving body part of the three-coordinate measuring machine special for revolving body part detection and error modeling, which is disclosed by the invention:
(1) and (3) mounting the revolving body workpiece on a clamp, and performing self-centering on the revolving body workpiece through the clamp.
(2) The length of the measuring needle is adjusted to avoid collision.
(3) And moving the X-axis motion mechanism and the Y-axis motion mechanism to enable the sensor to be positioned above the ring surface of the revolving body part to be detected.
(4) The Z-axis motion advances until the touch sensor is triggered and then rises 20 mm.
(5) The turntable is rotated.
(6) And (5) repeating the steps (6) until the current circumference is measured.
(7) An X-axis movement mechanism (or a Y-axis movement mechanism) moving in the unmeasured circumferential direction
(8) And (5) repeating the steps (4), (6) and (7) until the current cylindrical surface is measured.
By adopting the scheme, the three-coordinate measuring machine special for detecting the revolving body part and modeling the error reduces the measuring time of the revolving body part by integrally planning the rotation of the revolving body part and the movement of the contact type sensor.
Drawings
FIG. 1 is a schematic diagram of a three-coordinate measuring machine specially used for detecting and error modeling of a revolving body part.
Fig. 2 is a schematic diagram of a revolving body workpiece clamping mode of the three-coordinate measuring machine special for revolving body part detection and error modeling.
FIG. 3 is a schematic diagram of a contact time sensor of a three-coordinate measuring machine specially used for detecting and error modeling of a revolving body part in the invention
The method comprises the following steps of 1-supporting legs, 2-marble platforms, 3-rotary tables, 4-workpieces, 5-clamps, 6-X-axis motion mechanisms, 7-vertical columns, 8-Y-axis motion mechanisms, 9-Z-axis motion mechanisms, 10-contact sensors, 11-horizontal measuring pins, 12-star measuring seats, 13-vertical measuring pins and 14-measuring heads.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but the scope of the claimed invention is not limited thereto.
As shown in FIG. 1, the three-coordinate measuring machine special for detecting and error modeling of a revolving body part comprises a supporting leg 1, a
marble platform2, a rotary table 3, a
clamp5, an X-axis movement mechanism 6, an upright post 7, a Y-axis movement mechanism 8, a Z-axis movement mechanism 9 and a
contact type sensor10. As shown in fig. 2, the
touch sensor10 includes a
horizontal stylus11, a star-
shaped probe base12, a
vertical stylus13, and a
probe14. The measuring method of the revolving body part comprises the following steps:
(1) and (3) mounting the revolving body workpiece on a clamp, and performing self-centering on the revolving body workpiece through the clamp.
(2) The length of the measuring needle is adjusted to avoid collision.
(3) And moving the X-axis motion mechanism and the Y-axis motion mechanism to enable the sensor to be positioned above the rotating center of the rotary table.
(4) And moving the Z-axis movement mechanism to enable the sensor to descend to the cylindrical surface to be detected.
(5) The X-axis movement mechanism (or the Y-axis movement mechanism) advances until the touch sensor is triggered, and then returns to the rotation center of the turntable.
(6) Rotation of the turntable
(7) Repeating (5) and (6) until the current circumference measurement is finished
(8) Z-axis descent
(9) Repeating the steps (5), (6), (7) and (8) until the current cylindrical surface is measured
The above steps are the steps of measuring the cylindrical surface, and the following is the measuring method of the ring plane of the revolving body part of the three-coordinate measuring machine special for revolving body part detection and error modeling, which is disclosed by the invention:
(1) and (3) mounting the revolving body workpiece on a clamp, and performing self-centering on the revolving body workpiece through the clamp.
(2) The length of the measuring needle is adjusted to avoid collision.
(3) And moving the X-axis motion mechanism and the Y-axis motion mechanism to enable the sensor to be positioned above the ring surface of the revolving body part to be detected.
(4) The Z-axis motion advances until the touch sensor is triggered and then rises 20 mm.
(5) The turntable is rotated.
(6) And (5) repeating the steps (6) until the current circumference is measured.
(7) An X-axis movement mechanism (or a Y-axis movement mechanism) moving in the unmeasured circumferential direction
(8) And (5) repeating the steps (4), (6) and (7) until the current cylindrical surface is measured.
In the description of the present invention, it is to be understood that the terms "X-axis", "Y-axis", "Z-axis", etc., indicating orientations are based on the orientations and positional relationships shown in the drawings of the present invention, are used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention.
In summary, the present invention provides a three-coordinate measuring machine dedicated for detecting and error modeling of revolving body parts, which reduces the measuring time of revolving body parts by coordinating the revolving of revolving body parts and the movement of contact sensors.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are included in the scope of the present invention.
Claims (5)
1. The utility model provides a three-coordinate measuring machine of solid of revolution part detection and error modeling is exclusively used in, includes supporting leg (1), its characterized in that: support three-coordinate measuring machine main part, with marble platform (2) lug connection, processing has the frock hole in the middle of marble platform (2) for installation revolving stage (3), install on revolving stage (3) and be used for fixed anchor clamps (5) of work piece, the installation workpiece to be measured (4) on the anchor clamps, marble platform side is X axle motion (6), X axle motion (6) are connected with stand (7), Y axle motion (8) are installed to stand (7) top, Y axle motion (8) are connected with Z axle motion (9), Z axle motion below is connected with contact sensor (10). The marble platform (2) is horizontally arranged, the motion directions of the Y-axis motion mechanism (8) and the X-axis motion mechanism (6) are positioned in a horizontal plane, and the Z-axis motion mechanism (9) is positioned in a vertical direction and conforms to a right-hand rectangular coordinate system; each linear shaft is provided with a guide rail and a grating ruler so as to ensure the motion stability and the displacement precision of each linear shaft. The contact type sensor (10) is connected with the star-shaped measuring needle through a non-rotatable measuring seat, and when a higher revolving body part needs to be measured, an extension rod can be additionally arranged to prolong the measuring range.
2. A three-coordinate measuring machine dedicated to detection and error modeling of revolved body parts, according to claim 1, wherein said coordinate moving assembly comprises: a linear motion shaft: an X-axis motion mechanism (6), a Y-axis motion mechanism (8) and a Z-axis motion mechanism (9); a rotational motion shaft: a turntable (3). The touch sensor (10) includes: the measuring head (14), the horizontal measuring needle (11), the vertical measuring needle (13) and the star-shaped measuring base (12).
3. Touch sensor (10) according to claim 2, characterized by two mutually perpendicular horizontal (11) and vertical (13) pins.
4. The turntable (3) according to claim 1 is provided with a clamp (5) for self-centering of the workpiece (4) to be measured.
5. A three-coordinate measuring machine for testing and error modeling of revolving body parts as claimed in claim 1, wherein the measured data is subjected to error modeling and graphic display of the north surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058554.3A CN113670243A (en) | 2021-09-10 | 2021-09-10 | Three-coordinate measuring machine special for detecting parts of revolving body and modeling errors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058554.3A CN113670243A (en) | 2021-09-10 | 2021-09-10 | Three-coordinate measuring machine special for detecting parts of revolving body and modeling errors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113670243A true CN113670243A (en) | 2021-11-19 |
Family
ID=78549219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111058554.3A Pending CN113670243A (en) | 2021-09-10 | 2021-09-10 | Three-coordinate measuring machine special for detecting parts of revolving body and modeling errors |
Country Status (1)
| Country | Link |
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| CN (1) | CN113670243A (en) |
Cited By (1)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485506A (en) * | 2022-02-17 | 2022-05-13 | 王威 | Automatic feeding device for three-coordinate detection of automobile engine |
Citations (3)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202869440U (en) * | 2012-11-02 | 2013-04-10 | 天津大学 | Five-shaft system solid of revolution measuring instrument |
| CN109458958A (en) * | 2018-12-21 | 2019-03-12 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of scaling method of turntable center position in four axis vision measurement device |
| CN110108208A (en) * | 2019-05-16 | 2019-08-09 | 博众精工科技股份有限公司 | The error compensating method of five axis non-contact measurement machines |
-
2021
- 2021-09-10 CN CN202111058554.3A patent/CN113670243A/en active Pending
Patent Citations (3)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202869440U (en) * | 2012-11-02 | 2013-04-10 | 天津大学 | Five-shaft system solid of revolution measuring instrument |
| CN109458958A (en) * | 2018-12-21 | 2019-03-12 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of scaling method of turntable center position in four axis vision measurement device |
| CN110108208A (en) * | 2019-05-16 | 2019-08-09 | 博众精工科技股份有限公司 | The error compensating method of five axis non-contact measurement machines |
Cited By (2)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485506A (en) * | 2022-02-17 | 2022-05-13 | 王威 | Automatic feeding device for three-coordinate detection of automobile engine |
| CN114485506B (en) * | 2022-02-17 | 2024-04-16 | 扬州嘉恒机械制造有限公司 | Automatic feeding device for three-coordinate detection of automobile engine |
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